Collapse the current selection if it is expanded or Select the parent folder.

LEFT ARROW

Collapse the selected folder.

NUM LOCK+MINUS SIGN (-)

Expand the current selection if it is collapsed or Select the first subfolder

RIGHT ARROW

Expand all folders below the current selection.

NUM LOCK+*

Expand the selected folder.

NUM LOCK+PLUS SIGN (+)

Switch between left and right panes.

F6

Now that you've gotten free know-how on this topic, try to grow your skills even faster with online video training. Then finally, put these skills to the test and make a name for yourself by offering these skills to others by becoming a freelancer. There are literally 2000+ new projects that are posted every single freakin' day, no lie!